When it comes to burying Romex cable, the NEC requires that UF cable be placed in a trench at least 24 inches deep.įor regular Romex wire, if it is run outdoors, the NEC requires that it be housed in conduit.
#Romex wire code
The National Electric Code (NEC) is a set of standards for the safe installation of electrical wiring and equipment. What is the National Electric Code For Burring Romex? Can You Bury Romex Wire? If you want to bury Romex wire, the best option is to use direct-buried cable that meets minimum burial depth requirements and is GFCI protected. These conditions include a minimum burial depth of 18 inches and the area being free of any obstructions that may put pressure or strain on the wire.Īdditionally, nonmetallic sheathed cable (Type NM, NMS) cannot be used in conduit in any damp or wet location. UF rated wire can be run without conduit, but only under certain conditions. No, you cannot run Romex underground without conduit.Īccording to the National Electric Code, regular Romex wire must be housed in conduit if run outdoors. Can You Bury Romex Underground Without Conduit? Can You Bury Romex Wire? If you need to run wiring outdoors, it is best to use conductors such as THWN that are specifically approved for outdoor use. While Romex can be used indoors, it should not be used outdoors as it is not designed or approved for direct burial.
Romex is often used for indoor applications such as wiring lights, outlets, and other electrical equipment.
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It is a brand name for non-metallic paper bonded cable (NM-B, as printed) and consists of THHN conductors plus a ground encased in PVC. Romex is a type of cable used for electrical wiring in residential and commercial settings. 11 Conclusion What is Romex and What is it Used For?
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